Home / 143,211.59-197,764.94-92,343.34

Finding the Fourth Proportional to 143,211.59, 197,764.94 and 92,343.34

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Solution

The fourth proportional to 143,211.59, 197,764.94 and 92,343.34 is: 127,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,211.59 : 197,764.94 = 92,343.34 : x
  2. Step 2: Convert to fraction form
    143,211.59/197,764.94 = 92,343.34/x
  3. Step 3: Cross multiply
    143,211.59x = 197,764.94 × 92,343.34
  4. Step 4: Simplify right side
    143,211.59x = 18,262,275,572.56
  5. Step 5: Solve for x
    x = 18,262,275,572.56/143,211.59
  6. Step 6: Final answer
    x = 127,519.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.